High Pressure Piston Pump · Frame size 4 PFR
333
This triplex (three piston rods) positive displacement, reciprocating piston pump is constructed with chrome-plated brass manifolds, 304 stainless steel valve assemblies, and chrome-plated 304 stainless steel sleeves and cylinders. Multiple piston cup and seal configurations are available with NBR (Buna-N) O-rings.
The lower RPM belt drive design provides strong inlet suction and long-lasting pump and seal life.
Technical specifications
| Flow rate | 15 l/min |
|---|---|
| Operating pressure | 85 bar |
| Speed | 1,070 min⁻¹ |
| Inlet port | 1" |
| Discharge port | 3/8" / 1/2" |
| Shaft diameter | 16.5 mm |
| Material | Brass |
Downloads
- Data sheet German · PDF
- Data sheet English · PDF
- Service manual English · PDF
- Operating manual German / English · PDF
CAD files
Spare parts
Click an item in the drawing or in the parts list to add it to your request list. We turn it into a quotation – no order is placed.
On the request list: 0 · for this pump: 0Open request list →
3 kits bundle wearing parts of this pump ↓
Exploded view

Parts list
| Item | Part no. | Description | Qty | Add to request list |
|---|---|---|---|---|
| 5 | 125824 | Screw, HHC Sems (M6x16) 8/4STCP | 8 | |
| 8 | 27950 | Cover, BearingAL | 2 | |
| 10 | 26536 | O-Ring, Bearing Cover - 70DNBR | 2 | |
| 11 | 24159 | Seal, Oil, CrankshaftNBR | 2 | |
| 15 | 14487 | Bearing, BallSTL | 2 | |
| 20 | 48734 | Rod, Connecting, AssemblyTNM | 3 | |
| 25 | 43163 | Crankshaft, Dual End, Tapped (M8 x 1.25)FCM | 1 | |
| 32 | 43211 | Cap, Oil FillerABS | 1 | |
| 33 | 14177 | O-Ring, Oil Filler Cap - 70DNBR | 1 | |
| 37 | 92241 | Gauge, Oil, Bubble with Gasket - 80D 1 - 2PC | 1 | |
| 38 | 44428 | Gasket, Flat, Oil Gauge - 80DNBR | 1 | |
| 40 | 126541 | Screw, HHC Sems (M6 x 20)STCP | 4 | |
| 48 | 25625 | Plug, Drain (1/4" x 19 BSP[M])STCP | 1 | |
| 49 | 23170 | O-Ring, Drain Plug - 70DNBR | 1 | |
| 50 | 48772 | Cover, Rear [07/08]AL | 1 | |
| 51 | 48773 | O-Ring, Rear Cover [07/08]NBR | 1 | |
| 53 | 76953 | Crankcase with Guide PinsAL | 1 | |
| 55 | 126546 | Stud (M8x41.4)STCP | 2 | |
| 56 | 27712 | Pan, Oil (Use with Blue Dot Seals and Wick)POP | 1 | |
| 64 | 16948 | Pin, CrossheadCM | 3 | |
| 65 | 27981 | Rod, Piston, SteppedSZZ | 3 | |
| 69 | 126259 | Washer, Oil SealSTCP | 3 | |
| 70 | 25301 | Seal, Oil - 80DNBR | 3 | |
| 71 | 126189 | Washer, Oil SealSTCP | 3 | |
| 75 | 25327 | Slinger, BarrierS | 3 | |
| 77 | 25392 | O-Ring, Sleeve 6/3NBR | 6 | |
| 80 | 25299 | SleeveSCP | 3 | |
| 100 | 27710 | Retainer, SealPVDF | 3 | |
| 101 | 27711 | Wick, Long Tab (Use with Blue Dot Seals and Oil Pan) | 3 | |
| 106 | 30315 | Seal, Low-Pressure, (Greased)NBR | 3 | |
| 109 | 22177 | Plug HH (1/4" NPT)BBCP | 1 | |
| 110 | 25128 | Manifold, Inlet (Models 333, 430)BBCP | 1 | |
| 118 | 22160 | Elbow, Street [1/2" NPT(M)]BBCP | 3 | |
| 119 | 27004 | Valve, InletS | 3 | |
| 119 | 28339 | Valve, InletS | 3 | |
| 130 | 22021 | PistonS | 3 | |
| 133 | 28955 | Cup, Piston (Machined Cup - Models 331, 333)NBR | 3 | |
| 133 | 43172 | Cup, Piston (Machined Cup - Models 331, 333)FPM | 3 | |
| 135 | 27983 | Spacer, PistonS | 3 | |
| 136 | 27002 | Retainer, PistonS | 3 | |
| 137 | 27006 | Washer, Conical (M6)S | 3 | |
| 138 | 27000 | Nut, Slotted (M6)S | 3 | |
| 139 | 14158 | Cotterpin (M1.6 x 10)S | 3 | |
| 143 | 23172 | O-Ring, Cylinder - 70DNBR | 6 | |
| 150 | 24285 | CylinderSCP | 3 | |
| 150 | 25660 | CylinderSCP | 3 | |
| 153 | 21985 | Backup Ring, SeatPTFE | 3 | |
| 164 | 43434 | Seat, Q.V.S | 3 | |
| 166 | 43723 | Valve, Q.V.S | 3 | |
| 167 | 43360 | Spring, Q.V.S | 3 | |
| 168 | 43442 | Retainer, Spring, Q.V.S | 3 | |
| 185 | 24459 | Manifold, Discharge (Models 333, 430)BBCP | 1 | |
| 186 | 126232 | Lockwasher (M8)STCP | 2 | |
| 187 | 126564 | Bolt, Cylinder (M8)STCP | 2 | |
| 188 | 126591 | Washer, Shim (M8 x 2 x 13) 2 - 4STCP | 2-4 | |
| 189 | 126813 | Washer, Shim (M8 x 1 x 13) 2 - 4STCP | 2-4 | |
| 190 | 126576 | Washer, Shim (M8 x .5 x 13) 2 - 4STCP | 2-4 | |
| 191 | 126590 | Washer, Shim (M8 x .3 x 13) 2 - 4STZP | 2-4 | |
| 192 | 26676 | Retainer, Shim (M8)S | 2 | |
| 194 | 126201 | Nut, Hex Flange (M8)STCP | 2 | |
| 196 | 22187 | Plug, Discharge (3/8" NPT[M]) (Not Shown)BBCP | 1 | |
| – | 6124 | Gasket, Liquid (3 oz. / 0,1 l) | 1 | |
| – | 6139 | Lubricant, Anti-Seize (8 oz) (Model 1531) | 1 | |
| – | 6340 | Pump, Pulse (Not Shown) | 1 | |
| – | 6400 | Manifold, Pulse Pump (Models 335, 435)BB | 1 | |
| – | 25130 | Protector, Shaft | 1 | |
| – | 25634 | Manifold, Discharge (Models 331, 431)SS | 1 | |
| – | 25635 | Manifold, Inlet (Models 331, 431)SS | 1 | |
| – | 28460 | Sleeve (Unchromed) (323)S | 3 | |
| – | 29044 | Cylinder (Unchromed)S | 3 | |
| – | 30047 | Key (M5 x 5 x 24) | 1 | |
| – | 30243 | Mount, Direct (Belt-Drive Only) | 1 | |
| – | 30305 | Kit, Seal - Standard NBR | 1 | |
| – | 34334 | Kit, Oil Drain (3/8" x 24") (Not Shown) 1 | 1 | |
| – | 126610 | Mounting, Angle Rail (STZP R) | 1 | |
| – | 828710 | Protector, Oil Cap with Foam Gasket 1 | 1 | |
| – | 6132 | Oil, Crankcase, Bottle 1l | 1 |
in the request listcovered by a requested kit
Seal and valve kits
A kit bundles the wearing parts of one assembly. Selecting it highlights the items it covers in the drawing and the parts list – once requested, they stay marked.
Valve kits
Valve kit
30024
NBRMedium Nitrile (Buna-N)
contains 5 items · one kit per pump
Parts list
- 14323172O-Ring, Zylinder6×
- 16429487Ventilsitz3×
- 16622842Ventil3×
- 16722031Feder, Ventil3×
- 16822841Federhalter, Ventil (2 Stk. für 30103)3×
Valve kit
30103
NBR (PULSE)Medium Nitrile (Buna-N)
contains 5 items · one kit per pump
Parts list
- 14323172O-Ring, Zylinder6×
- 16429487Ventilsitz3×
- 16622842Ventil3×
- 16722031Feder, Ventil3×
- 16822841Federhalter, Ventil (2 Stk. für 30103)3×
Valve kit
30686
NBRMedium Nitrile (Buna-N)
contains 5 items · one kit per pump
Parts list
- 14323172O-Ring, Zylinder6×
- 16443434Ventilsitz3×
- 16643723Ventil3×
- 16743360Feder, Ventil3×
- 16843442Federhalter, Ventil (2 Stk. für 30103)3×